In 2006, the year New Horizons was launched, Pluto vanished from the list of planets and reappeared as a “dwarf planet.” That, of course, had more to do with astronomers on Earth than any ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever photos of Pluto in 2015, the dwarf planet's mysterious heart-shaped region has puzzled scientists.

NASA’s New Horizons mission visited Pluto in 2015, giving us an unprecedented close-up view of the planet and its moons. “The New Horizons images and data surprised scientists by showing both ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

A United Launch Alliance Atlas 5 rocket set the tiny probe on its nine-year journey to the icy dwarf planet. This mission marked the first time a spacecraft was sent to explore Pluto, providing ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

A blue atmosphere, smooth areas, and youthful mountain ranges - this dwarf planet is full of surprises. When NASA's New Horizons probe flew past Pluto in July 2015, the images it returned astonished ...

A New Horizons image of Pluto and its moon Charon revealed more surprises about the dwarf planet and its orbiting moon. Click on the hand to see why Pluto and its moon have shaken things up.

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The New Horizons mission provided stunning images ... Though no longer officially a planet, Pluto continues to be a key focus of planetary research. Its reclassification has led to a better ...